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Commercial viability – typical on-site costs
 £/acre£/ft²
Site preparation/earth works30,000 - 50,0000.30 - 0.50
Roads and public routes150,000 - 200,0002.00 - 3.00
Public realm and landscaping 300,000 - 450,0003.00 - 5.00
Drainage 70,000 - 100,0001.00 - 1.25
Utilities 100,000 - 300,0001.50 - 3.00
Water/art features20,000 - 40,000 0.20 - 0.40
Site specifics, off site and S106 commitments can typically add a further300,000 - 600,005.00 - 10.00
Typical averages1,360,00018